.background-image {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-position: center;
    min-width: 100%;
    min-height: 100%;
    z-index: -100;
    background-size: cover;
}

.background-image img, .background-image object {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.background-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}